12442441043789 has 2 divisors, whose sum is σ = 12442441043790. Its totient is φ = 12442441043788.

The previous prime is 12442441043761. The next prime is 12442441043797. The reversal of 12442441043789 is 98734014424421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12071858393764 + 370582650025 = 3474458^2 + 608755^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442441043789 - 2³² = 12438146076493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12442441043789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442441049789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221220521894 + 6221220521895.

It is an arithmetic number, because the mean of its divisors is an integer number (6221220521895).

Almost surely, 2^{12442441043789} is an apocalyptic number.

It is an amenable number.

12442441043789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442441043789 is an equidigital number, since it uses as much as digits as its factorization.

12442441043789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 12442441043789 in words is "twelve trillion, four hundred forty-two billion, four hundred forty-one million, forty-three thousand, seven hundred eighty-nine".